$109 Cheap United flights from Chicago to Washington (ORD to IAD)

Find The Best Day To Fly from Chicago to Washington

Amazing United ORD to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $157 round trip and $109 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Oct 6 - Tue, Oct 7
ORD
Chicago
IAD
Washington
$157 Roundtrip, found 5 days ago
$157
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 6 from Chicago to Washington, returning Tue, Oct 7, priced at $157 found 5 days ago
Thu, Oct 23 - Fri, Oct 24
ORD
Chicago
IAD
Washington
$169 Roundtrip, found 6 days ago
$169
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 23 from Chicago to Washington, returning Fri, Oct 24, priced at $169 found 6 days ago
Mon, Oct 6 - Tue, Oct 7
ORD
Chicago
IAD
Washington
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 6 from Chicago to Washington, returning Tue, Oct 7, priced at $176 found 5 days ago
Mon, Aug 25 - Wed, Aug 27
ORD
Chicago
IAD
Washington
$183 Roundtrip, found 6 days ago
$183
Roundtrip
found 6 days ago
Select United flight, departing Mon, Aug 25 from Chicago to Washington, returning Wed, Aug 27, priced at $183 found 6 days ago
Mon, Oct 6 - Tue, Oct 7
ORD
Chicago
IAD
Washington
$184 Roundtrip, found 5 days ago
$184
Roundtrip
found 5 days ago
Select United flight, departing Mon, Oct 6 from Chicago to Washington, returning Tue, Oct 7, priced at $184 found 5 days ago
Sat, Oct 11 - Mon, Oct 13
ORD
Chicago
IAD
Washington
$185 Roundtrip, found 6 days ago
$185
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 11 from Chicago to Washington, returning Mon, Oct 13, priced at $185 found 6 days ago
Thu, Oct 23 - Fri, Oct 24
ORD
Chicago
IAD
Washington
$188 Roundtrip, found 6 days ago
$188
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 23 from Chicago to Washington, returning Fri, Oct 24, priced at $188 found 6 days ago
Sat, Oct 11 - Tue, Oct 14
ORD
Chicago
IAD
Washington
$191 Roundtrip, found 5 days ago
$191
Roundtrip
found 5 days ago
Select United flight, departing Sat, Oct 11 from Chicago to Washington, returning Tue, Oct 14, priced at $191 found 5 days ago
Mon, Aug 18 - Fri, Aug 22
ORD
Chicago
IAD
Washington
$200 Roundtrip, found 6 days ago
$200
Roundtrip
found 6 days ago
Select United flight, departing Mon, Aug 18 from Chicago to Washington, returning Fri, Aug 22, priced at $200 found 6 days ago

IAD From ORD Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Hotel Arboretum

Hotel Arboretum

2 out of 5
per person
Aug 9 - Aug 13
found 1 day ago
Roundtrip flight included
Chicago (CHI) to Washington (DCA)
SIXTY DC

SIXTY DC

2 out of 5
Save 100% on your flight
per person
Oct 10 - Oct 14
found 1 day ago
Roundtrip non-stop flight included
Chicago (ORD) to Washington (DCA)
Lyle Washington D.C.

Lyle Washington D.C.

4.5 out of 5
Save 100% on your flight
per person
Oct 10 - Oct 14
found 1 day ago
Roundtrip non-stop flight included
Chicago (ORD) to Washington (DCA)
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Frequently asked questions

Can I catch a flight from O'Hare Intl. Airport (ORD) to IAD right now?
It's prudent to find out about any quarantine requirements and travel advice reports in effect in your destination city. Be sure to visit our Covid-19 Travel Advisor for up-to-date information on booking a flight to IAD.
What terminal is United Airlines at O'Hare Intl. Airport (ORD)?
Flights mostly leave from terminal 1 at O'Hare Airport if you've booked a seat with United Airlines. Traveling to Dulles Intl. Airport? Contact your airline (or do some research online) to see exactly which terminal you'll be pulling into.
Are there United Airlines non-stop flights from ORD to IAD?
Direct flights can be booked with United Airlines, which means you can fly from O'Hare Airport to IAD the easy way. Those memorable travel experiences you're chasing are one simple flight away.
How long is a United Airlines flight from ORD to IAD?
Your United Airlines flight will get you from ORD to IAD in around 2 hours and 51 minutes. If you're not a big fan of speaking to fellow passengers while you're miles in the air, don't worry — you won't have to make small talk for too long.
What type of aircraft does United Airlines fly from ORD to IAD?
The Boeing 737-800 and the Airbus A320 are usually used by United Airlines between O'Hare Airport and Dulles Intl. Airport.
How many direct and indirect flights does United Airlines fly from ORD to IAD?
There are 7 United Airlines flights every day from ORD to IAD.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Dulles Intl. Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Chicago ORD to Washington IAD 

To find the best deals on flights to Chicago from Washington with United, just enter your travel dates, filter by United, and hit search. You’ll find 6 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Chicago ORD to Washington IAD with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $157 to $200, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Chicago ORD to Washington IAD 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Chicago to Washington costs from $109. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Washington IAD from  Chicago ORD with United 

To find a cheap United flight from Chicago ORD to Washington IAD, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Chicago ORD to Washington IAD 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Chicago ORD to Washington IAD with United 

If you’re keen to be on Washington soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 1 hour(s) 59 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Chicago ORD to Washington IAD 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Washington IAD from  Chicago ORD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Washington

Hyatt Regency Dulles

Hyatt Regency Dulles

4 out of 5
2300 Dulles Corner Blvd, Herndon, VA
This hotel features an indoor pool, A 24-hour gym, and a restaurant. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.8/10 Excellent! (1,381 reviews)
"Nice clean hotel with very comfortable beds. DO NOT BOOK IF YOU NEED A RIDE FROM THE AIRPORT after hours- difficult to communicate with arrangements. It took a very long time- Marriott and Hilton rides came and went 3 x while we were waiting. Before midnight the shuttle runs every 1/2 hour."

Reviewed on Jul 26, 2025

Hyatt Regency Dulles
Hyatt Place Herndon Dulles Airport East

Hyatt Place Herndon Dulles Airport East

3 out of 5
13711 Sayward Blvd, Herndon, VA
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, express check-out, ...
8.4/10 Very Good! (2,341 reviews)
"Short walk to metro-station. Many restaurants within 1 mile of facility."

Reviewed on Jul 30, 2025

Hyatt Place Herndon Dulles Airport East
The Westin Washington Dulles Airport

The Westin Washington Dulles Airport

4 out of 5
2520 Wasser Terrace, Herndon, VA
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.6/10 Excellent! (1,017 reviews)
"Convenient for Dulles Airport and Innovation Center metro. Quiet and easy to access location."

Reviewed on Jul 27, 2025

The Westin Washington Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.